Chair



FIG. 1 shows a front, right perspective view of a chair;

FIG. 2 shows a front view thereof;

FIG. 3 shows a rear view thereof;

FIG. 4 shows a right-side view thereof;

FIG. 5 shows a left-side view thereof;

FIG. 6 shows a top view thereof; and,

FIG. 7 shows a bottom view thereof.

The broken lines illustrate environmental structure and form no part of the claimed design. 

CLAIM The ornamental design for chair, as shown and described. 